Patents by Inventor Pieter Oosterhoff

Pieter Oosterhoff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water-reducible coating composition based on an epoxy resin
    Patent number: 4737530
    Abstract: The invention provides a water-reducible coating composition comprising an epoxy resin, an amino group-containing curing agent for the epoxy resin and a formic acid ester having a solubility of at least 0.2 g in 100 g of water of a temperature of 20.degree. C., with the exception of tert. butyl formiate.
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: April 12, 1988
    Assignee: Akzo N.V.
    Inventors: Cornelis A. M. Hoefs, Pieter Oosterhoff